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Operation Manual / A130-H.. - A140-H..

3 Removing and Installing / 3.3 Installing the turbocharger

3.3.4 Fastening the turbocharger with a standard nut

u Fit the nuts and tighten them according to variant 1 or 2 in the table below.

Product Through hole in

bearing casing

[mm]

Fixing screws

[mm]

Variant 1: Tightening

torques [Nm] **)

Variant 2: Hy-

draulic pre-ten-

sioning forces [kN]

A130 Ø17 M16 280 110

A135 Ø 21 M20 560 175

A140 Ø 25 M24 960 250

Table6: Tightening torque for standard nuts

**) When the turbocharger is mounted on the engine support, the bolt threads and screw

heads must be lightly oiled (assumed friction coefficient µ = 0.12 for tightening torque)

u Remove the lifting gear.

Page 36 / 122

ABB HT604133 User Manual

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